2
MCQ (Single Correct Answer)
Which one of the following will not directly affect transpiration?
A
Temperature
B
Light
C
Wind speed
D
Chlorophyll content of leaves
3
MCQ (Single Correct Answer)
The lower surface of leaf will have more number of stomata in a
A
dorsiventral leaf
B
isobilateral leaf
C
Both (a) and (b)
D
None of these
4
MCQ (Single Correct Answer)
The form of sugar transported through phloem is
A
glucose
B
fructose
C
sucrose
D
ribose
5
MCQ (Single Correct Answer)
The process of guttation takes place
A
when the root pressure is high and the rate of transpiration is low.
B
when the root pressure is low and the rate of transpiration is high.
C
when the root pressure equals the rate of transpiration.
D
when the root pressure as well as rate of transpiration are high.
6
MCQ (Single Correct Answer)
Which of the following is an example of imbibition?
A
Uptake of water by root hair
B
Exchange of gases in stomata
C
Swelling of seed when put in soil
D
Opening of stomata